Vulnerability in Vllm
CVE-2026-7141
A vulnerability was found in vllm up to 0.19.0. The affected element is the function has_mamba_layers of the file vllm/v1/kv_cache_interface.py of the component KV Block Handler. Performing a manipulation results in uninitialized resource…
EPSS: 0.001 (22.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Vllm
- N/a Vllm — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- VDB-359740 | vllm KV Block kv_cache_interface.py has_mamba_layers uninitialized resource (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-359740 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required)
- Submit #801297 | vllm-project vLLM 0.19.0 Use of Uninitialized Resource (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Issue Tracking)
- cna@vuldb.com (issue-tracking, Patch, patch, Issue Tracking)
- cna@vuldb.com (issue-tracking, exploit, Issue Tracking)
- cna@vuldb.com (Patch, patch)
Frequently asked questions
- What is CVE-2026-7141?
- CVE-2026-7141 is a medium-severity vulnerability in Vllm, classified under Use of Uninitialized Resource. CVSS score: 5.6/10. Published 2026-04-27.
- How severe is CVE-2026-7141?
- Medium severity. CVSS v3 base score is 5.6 out of 10.